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基于水印算法的音频的水印的嵌入与提取,通过转换把图像隐藏于音频中,Audio Watermarking Algorithm Based on the watermark embedding and extraction, by converting the image hidden in the audio in
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基于matlab做的数字水印,文件包括源代码及原图像和加入水印后的图像,经过测试,能有效抗攻击-Matlab-based digital watermarking so that the document includes the source code and the original image and adding a watermark image, tested and effective anti-attack
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二值图像数字水印算法的一般方法,然后在此基础上给出了一种基于分块DCT的自参照直流系数盲检测二值水印方法。-A blind binary image digital watermarking algorithm is proposed in the DCT domain. The algorithm uses the correlativity of the inter-blocks DC components based on blocked DCT with binary image. No
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频域法加入数字水印的原理是首先将原始信号(语音一维信号、图像二维信号)变换到频域,常用的变换一般有DWT、DCT、DFT、WP和分形。然后,对加入了水印信息的信号进行频域反变换(IDWT、IDCT、DFT、WP),得到含有水印信息的信号。-Frequency-domain digital watermarking method by adding the principle is that first of all, the original signal (voice signal of on
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图像数字水印算法的研究,一篇好的毕业论文。-Image watermarking algorithm, a good thesis.
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基于小波变换的扩频图象数字水印,将水印嵌入到小波中。以保证信息的安全-Spread spectrum based on wavelet transform image watermarking, the watermark is embedded into the wavelet. To ensure information security
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image watermarking insertion and extraction by lsb
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在Matlab开发环境下,实现将输入的随机字符串以随机序列的方式嵌入载体图像中,并很好的保证了水印的不可见性,同时也实现了水印的盲检测并成功提取出输入的字符。-In Matlab development environment, to achieve the random string input by random sequence was embedded in the carrier image, and it guarantees the invisibility of the wate
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在Matlab环境下实现图片的水印嵌入,利用离散小波变换,较好的实现了应有的功能,并且通过计算PSNR值很好的验证了水印算法的不可见性和鲁棒性。-Watermark image is realized in Matlab environment, using the discrete wavelet transform, achieve a better functions, and are in good agreement with the watermark imperceptibilit
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基于整数小波变换的图像可逆水印,很好用,可逆性很强,自己查找的资料(Image reversible watermarking based on integer wavelet transform is very useful. It has strong reversibility and finds information by itself.)
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本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI,可以调用dwt方法的子界面和dct方法的子界面。流程包括,读取宿主图像和水印图像,嵌入,多种方法的攻击(剪切,加噪,旋转等),提取,最后利用psnr峰值信噪比进行评价不同攻击下,鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comp
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